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How long is the term of protection of a patent? When does a patent terminate?
Release Time：
2015-11-24
The term of protection for invention patent rights is twenty years, while the term of protection for utility model patent rights and design patent rights is ten years.
The term of protection for utility model patent right and design patent right is ten years, all calculated from the filing date.
There are two kinds of termination of patent right:
First, the patent right is naturally terminated due to the expiration of the term of protection.
Secondly, the patent right is terminated before the expiration of the term under one of the following circumstances: (1) the patentee fails to pay the annual fee in accordance with the provisions; (2) the patentee renounces his patent right by a written declaration.
Source: Beijing 12330
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